Home / 40,198.95-55,477.96-22,299.72

Finding the Fourth Proportional to 40,198.95, 55,477.96 and 22,299.72

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Solution

The fourth proportional to 40,198.95, 55,477.96 and 22,299.72 is: 30,775.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,198.95 : 55,477.96 = 22,299.72 : x
  2. Step 2: Convert to fraction form
    40,198.95/55,477.96 = 22,299.72/x
  3. Step 3: Cross multiply
    40,198.95x = 55,477.96 × 22,299.72
  4. Step 4: Simplify right side
    40,198.95x = 1,237,142,862.67
  5. Step 5: Solve for x
    x = 1,237,142,862.67/40,198.95
  6. Step 6: Final answer
    x = 30,775.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.